【正文】
topic, so that the students can understand and simple expression and the daily behaviors related to the environmental protection. The course mainly is the destruction of the environment learning expand describe behavior of vocabulary. This lesson in the primer materials after in the position, in slant on the content is more independent and practical, but it is essential to old lead new role, because this unit in the course behind even the contents of this lesson as the reference, so can promote the migration, increase students39。 physical and mental development and cognitive laws for their further study, also have very great help, believe they learn in this lesson after harvest and en